SDR DALA1102415534

Service difficulty report · Cusp Web · Boeing 757251

Difficulty date: January 11, 2011
Submitted: January 12, 2011
Operation: Air carrier
Aircraft: N534US
Make and model: Boeing 757251
Aircraft serial: 24265
Aircraft time: 70,875 hours, 28,765 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Cusp Web
Condition: Corroded
Location: Bs 1665
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION ON NR4 RT DOOR SILL AREA CUSP WEB "J" CHANNEL AT STA 1665. REMOVED CORROSION AT NR4 RT DOOR SILL AT STA 1665. FOUND "U" CHANNEL OUT OF LIMITS, REF SRM 51-10-02, PAGE 12 AND SRM 53-00-51, PAGE 103, FIG 101. R & R "U" CHANNEL AT NR4 RT DOOR SILL AT STA 1665, REF SRM 51-4 0-02, REF SRM 51-40-02, PAGE 2 AND 3 COMPLETED.